FIG 2. A–D, CT patterns of calcification. 5-mm-thick axial CT scans at the level of the carotid siphon. Brain (top) and bone (bottom) windows are shown in each image.

A, Thin, discontinuous calcification, bilaterally.

B, Thin, continuous calcification, right side.

C, Thick, discontinuous calcification, right side.

D, Thick, continuous calcification, bilaterally.